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Platinum-Modulated Cobalt Nanocatalysts for Low-Temperature Aqueous-Phase Fischer-Tropsch Synthesis
Wang, Hang1; Zhou, Wu3,4; Liu, Jin-Xun2; Si, Rui5; Sun, Geng1; Zhong, Meng-Qi1; Su, Hai-Yan2; Zhao, Hua-Bo1; Rodriguez, Jose A.5; Pennycook, Stephen J.4; Idrobo, Juan-Carlos4; Li, Wei-Xue2; Kou, Yuan1; Ma, Ding1
Source PublicationJOURNAL OF THE AMERICAN CHEMICAL SOCIETY
2013-03-13
DOI10.1021/ja400771a
Volume135Issue:10Pages:4149-4158
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Multidisciplinary
WOS Research AreaChemistry
WOS KeywordGAS-SHIFT REACTION ; RUTHENIUM NANOCLUSTER CATALYST ; OXYGEN REDUCTION REACTION ; CORE-SHELL NANOPARTICLES ; CARBON-MONOXIDE ; IONIC LIQUIDS ; BIMETALLIC CATALYSTS ; ELECTRON-MICROSCOPE ; DISSOCIATION ; OXIDATION
AbstractFischer-Tropsch synthesis (FTS) is an important catalytic process for liquid fuel generation, which converts coal/shale gas/biomass-derived syngas (a mixture of CO and H-2) to oil. While FTS is thermodynamically favored at low temperature, it is desirable to develop a new catalytic system that could allow working at a relatively low reaction temperature. In this article, we present a one-step hydrogenation-reduction route for the synthesis of Pt-Co nanoparticles (NPs) (NPs) which were found to be excellent catalysts for aqueous-phase FTS at 433 K. Coupling with atomic-resolution scanning transmission electron microscopy (STEM) and theoretical calculations, the outstanding activity is rationalized by the formation of Co overlayer structures on Pt NPs or Pt-Co alloy NPs. The improved energetics and kinetics from the change of the transition states imposed by the lattice mismatch between the two metals are concluded to be the key factors responsible for the dramatically improved FTS performance.
Language英语
WOS IDWOS:000316244200056
Citation statistics
Cited Times:72[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/137817
Collection中国科学院大连化学物理研究所
Affiliation1.Peking Univ, Coll Chem & Mol Engn, Beijing 100871, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
3.Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA
4.Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA
5.Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA
Recommended Citation
GB/T 7714
Wang, Hang,Zhou, Wu,Liu, Jin-Xun,et al. Platinum-Modulated Cobalt Nanocatalysts for Low-Temperature Aqueous-Phase Fischer-Tropsch Synthesis[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2013,135(10):4149-4158.
APA Wang, Hang.,Zhou, Wu.,Liu, Jin-Xun.,Si, Rui.,Sun, Geng.,...&Ma, Ding.(2013).Platinum-Modulated Cobalt Nanocatalysts for Low-Temperature Aqueous-Phase Fischer-Tropsch Synthesis.JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,135(10),4149-4158.
MLA Wang, Hang,et al."Platinum-Modulated Cobalt Nanocatalysts for Low-Temperature Aqueous-Phase Fischer-Tropsch Synthesis".JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 135.10(2013):4149-4158.
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